Cita APA (7th ed.)

Rivers, W. M. (1972). Speaking in many tounges: Essays in foreign language teaching. Newbury House Pub.

Cita Chicago (17th ed.)

Rivers, Wilga M. Speaking in Many Tounges: Essays in Foreign Language Teaching. [Rowley, Mass.]: Newbury House Pub, 1972.

Cita MLA (9th ed.)

Rivers, Wilga M. Speaking in Many Tounges: Essays in Foreign Language Teaching. Newbury House Pub, 1972.